fix: unregister worker callbacks after usage

[poolifier.git] / src / pools / thread / fixed.ts

diff --git a/src/pools/thread/fixed.ts b/src/pools/thread/fixed.ts
index 2ad94a7bf16083072bf1303745834c2b7c06506a..db278485a097fcb40a1846902ee8a7b36b548c3e 100644 (file)
--- a/src/pools/thread/fixed.ts
+++ b/src/pools/thread/fixed.ts
@@ -63,7 +63,7 @@ export class FixedThreadPool<
     const workerNode = this.workerNodes[workerNodeKey]
     const worker = workerNode.worker
     const waitWorkerExit = new Promise<void>(resolve => {
-      worker.on('exit', () => {
+      worker.once('exit', () => {
         resolve()
       })
     })
@@ -112,6 +112,26 @@ export class FixedThreadPool<
     ).port1.on('message', listener)
   }
 
+  /** @inheritDoc */
+  protected registerOnceWorkerMessageListener<Message extends Data | Response>(
+    workerNodeKey: number,
+    listener: (message: MessageValue<Message>) => void
+  ): void {
+    (
+      this.workerNodes[workerNodeKey].messageChannel as MessageChannel
+    ).port1.once('message', listener)
+  }
+
+  /** @inheritDoc */
+  protected deregisterWorkerMessageListener<Message extends Data | Response>(
+    workerNodeKey: number,
+    listener: (message: MessageValue<Message>) => void
+  ): void {
+    (
+      this.workerNodes[workerNodeKey].messageChannel as MessageChannel
+    ).port1.off('message', listener)
+  }
+
   /** @inheritDoc */
   protected createWorker (): Worker {
     return new Worker(this.filePath, {